select msg_id, msg_type, title, content, create_time, is_read, company_id, company_user_id, update_time,obj_id from crm_msg and msg_type = #{msgType} and title = #{title} and content = #{content} and is_read = #{isRead} and company_id = #{companyId} and company_user_id = #{companyUserId} order by msg_id desc where msg_id = #{msgId} insert into crm_msg msg_type, title, content, create_time, is_read, company_id, company_user_id, update_time, obj_id, #{msgType}, #{title}, #{content}, #{createTime}, #{isRead}, #{companyId}, #{companyUserId}, #{updateTime}, #{objId}, update crm_msg msg_type = #{msgType}, title = #{title}, content = #{content}, create_time = #{createTime}, is_read = #{isRead}, company_id = #{companyId}, company_user_id = #{companyUserId}, update_time = #{updateTime}, obj_id = #{objId}, where msg_id = #{msgId} delete from crm_msg where msg_id = #{msgId} delete from crm_msg where msg_id in #{msgId}